英语六年级上册Unit 4 Then and now第2课时教案及反思

这是一份英语六年级上册Unit 4 Then and now第2课时教案及反思，共4页。教案主要包含了规则动词的过去式，不规则动词的过去式等内容，欢迎下载使用。
Unit4 Then and now（period 2）教学目标 （一）知识目标1. 能够理解并掌握动词过去式的不规则变化及读音。2. 学生能运用句型…….years ago, I was/ I could (not)/ didn’t……..。3. 在真实情境中，用所学知识正确比较过去与现在。（二）能力目标1. 能正确掌握动词过去式的不规则变化及读音。2. 能用一般现在时和一般过去时的语句来描述自己。（三）情感目标 1. 能够在课上的活动中发现学习英语的乐趣，乐于去表达说出英语。 2. 了解过去与现在的变化，体会我们生活的提升。重点 1. 了解掌握动词过去式的转换方式和运用。2. 运用文中所学的句型等，准确表达出自己的过去和现在。难点 能够根据时间的不同，准确地运用动词一般形式及动词的过去式。教具学具准备单词卡片，PPT课件、学生自己以前和现在的照片教学过程Step 1. Preparation1. Free talkT: What did you do yesteday /last weekend? S:…T:What do you often do at weekends？S:…2. Act  and  say T: What did I do just now ?S: You listened to music just now.Step 2. Presentation & Practice1. Think and say  T: Think about the changes of Mike’s family and finish the table.      2. Read and learn   T: Look at the pictures and learn the words.                                         an e-book     a mobile phone  a newspaper   a radio        a telephone        a TV3. Try to use  T: Look at this short passage, use the new words to fill in the blanks.  Twenty years ago ,my mother used the       at home. She couldn’t call people anywhere. Now shehas a              .It is easy to take .My father listened to the        and read              for news in the past ,but now he usually watches news on the Internet .Sometimes he reads newspaper .He also reads          .For me ,ten years ago ,I watched          at weekends, now I like playing  computer games when I’m free . It’s fun.4. Grammar time : Make sentencesT: There are three types of cards in my hand.They are “When”,“Who”and “What”. We need to put these three arbitrary combined into a sentence .Eg: S1: twenty years agoS2: Mr Brown S3: write letters to his friendsS4: Twenty years ago, Mr Brown wrote letters to his friends.5. Grammar time : Read and find6. Grammar time : Play a game（Quick response）(1)T: I say the words, you should say the past tense as quickly as you can.is/am（was）are（were） can（could） fly（flew） take（took） see（saw） go （went） eat（ate）  get（got）do（did）write（wrote）make（made）…7. Grammar time : Read the irregular verbsEg：I       (see) a mobile phone under the desk just now .    Lucy       (get) up late this morning .Step 3. Production and Progress1. Checkout time: Look and write T: What could they do? What couldn’t they do?2. Fun timeA. T: Look, here are two photos of me. Twenty years ago, I was a student. I could ride a bike .I couldn’t drive. I didn’t work. Now I’m a teacher. I  can drive . I teach you English.B. T: Let’s say something about “ then and now” of you, and make a comparison table.3. Checkout time:Think and write T: Stick a photo of yourself and then write about it .板书设计：Unit4 Then and now is/am（was）are（were） can（could） fly（flew） take（took） see（saw） go （went） eat（ate）  get（got）do（did）write（wrote）make（made）教学反思：一般过去时表示在过去发生的事情，其时间状语一般是表示在过去，如yesterday，last week，an hour ago，in 1982等等，这一点是其典型的特征。虽然对于小学生来说，讲到的都是简单的一般过去时的构词和用法，但是实际上在课外已经涉及到它很多形式的变化，我们可以将一般过去时的构成做一个系统的划分：一、规则动词的过去式1．一般情况下，在动词原形后面加-ed；look-looked，play-played，start-started2．以不发音e结尾的动词，在词尾直接加-d；live-lived，use-used3．以“辅音字母+y”结尾的动词，先将y变为i，再加-ed；study-studied4．以重读闭音节（辅音+元音+辅音）或r音节结尾，末尾只有一个辅音字母的动词，要先双写这个辅音字母后，再加-ed；stop-stopped，shop-shopped二、不规则动词的过去式1．改变动词中的元音begin-began，drink-drank，know-knew，get-got，come-came，eat-ategrow-grew，run-ran，win-won，speak-spoke，take-took，write-wrote2．变词尾的d为tbuild-built，lend-lent，send-sent，spend-spent，bend-bent3．与动词原形一样cut-cut，put-put，read-read，cost-cost，hurt-hurt4．变ay为aid（少数动词）say-said，pay-paid，lay-laid5．采用不用词根tell-told，sell-sold，teach-taught，buy-bought，catch-caught6．其他am/is-was，are-were，have/has-had，do-did，go-went在六年级英语中出现的过去式的单词，在经过不断的练习后，学生都可以会正确的改变它的形式，但是伴随而来的问题就是这些单词的正确发音，很多学生连最基本的一些发音都会出现错误，这点值得大家重视。下面就一般过去时的动词加上“ed”后的读音进行一下分类：1．ed加在清辅音后面，读/t/；looked，laughed，watched，helped2．ed加在浊辅音或元音后面，读/d/；played，lived，showed，turned3．ed加在/t/或/d/后面，读/id/；pointed，visited，wanted，shouted小学六年级中出现的一般过去时的学习，最主要的还是让学生把握以上的构词变化和ed的读音两大方面，其实这也是最基本的两个方面。只有在起始阶段让学生牢固掌握这两个方面，才能为接下来的学习做好铺垫。